| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not know [pron] be [prep] | 75 |
|
| 2 | not know [pron] [adj] be | 66 |
|
| 3 | know [pron] [adj] be [prep] | 17 |
|
| 4 | not know [pron] [adj] [prep] | 9 |
|
